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Abstract. The policy sciences have been evolving as a discipline over the past thirty years, but the development has been less than clear, its directions somewhat uncertain. Still, the founding characteristics, as set forth by its early proponents, have remained relevant and relatively constant. The policy sciences have been defined by their multidisciplinary perspective, their problem-oriented, contextual approach, and their treatment of normative standards. This paper reviews the development of the policy sciences in light of these three hallmarks and observes how each has experienced great variations. Finally, the paper suggests six emerging conditions which could have a significant effect on the future development and practice of the policy sciences.  相似文献   
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President Barack Obama has extended the hand of engagement to the Muslim and Arab world, while warning Israel against new settlements in occupied Palestine and hedging his bets with remote drone strikes against Al-Qaida and the Taliban in Pakistan. The new CIA director, a military historian and the Somali-born feminist Ayaan Hirsi Ali assess his strategy.  相似文献   
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